add zxing lib

src/Android/MainActivity.cs

@@ -87,6 +87,8 @@ namespace Bit.Droid
             else
             {
                 Xamarin.Essentials.Platform.OnRequestPermissionsResult(requestCode, permissions, grantResults);
+                ZXing.Net.Mobile.Forms.Android.PermissionsHandler.OnRequestPermissionsResult(
+                    requestCode, permissions, grantResults);
             }
             base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
         }

src/Android/MainApplication.cs

@@ -42,10 +42,13 @@ namespace Bit.Droid
 
         private void RegisterLocalServices()
         {
-            // CrossFingerprint.SetCurrentActivityResolver(() => CrossCurrentActivity.Current.Activity);
             Refractored.FabControl.Droid.FloatingActionButtonViewRenderer.Init();
             // Note: This might cause a race condition. Investigate more.
-            Task.Run(() => FFImageLoading.Forms.Platform.CachedImageRenderer.Init(true));
+            Task.Run(() =>
+            {
+                FFImageLoading.Forms.Platform.CachedImageRenderer.Init(true);
+                ZXing.Net.Mobile.Forms.Android.Platform.Init();
+            });
             CrossFingerprint.SetCurrentActivityResolver(() => CrossCurrentActivity.Current.Activity);
 
             var preferencesStorage = new PreferencesStorageService(null);

src/App/App.csproj

@@ -17,6 +17,7 @@
     <PackageReference Include="Xamarin.Essentials" Version="1.1.0" />
     <PackageReference Include="Xamarin.FFImageLoading.Forms" Version="2.4.10.972" />
     <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
+    <PackageReference Include="ZXing.Net.Mobile.Forms" Version="2.1.47" />
   </ItemGroup>
 
   <ItemGroup>

src/iOS/AppDelegate.cs

@@ -28,6 +28,7 @@ namespace Bit.iOS
 
             LoadApplication(new App.App(null));
 
+            ZXing.Net.Mobile.Forms.iOS.Platform.Init();
             return base.FinishedLaunching(app, options);
         }
     }